Skyscrapers are getting skinnier: As cities get denser, architects are designing builders that are taller and taller on smaller and smaller lots. And that poses one big problem: How do you keep them from swaying in the wind? Behind some of the most iconic shapes on our skylines is a secret design language of architectural tricks —twists, holes, and setbacks— that keep buildings still.

By Design is a new Vox video series about the intersection of design and technology, hosted by Christophe Haubursin.

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